Results 1 to 10 of about 2,542 (192)

Assessment of the Multiphase Mechanical Properties of the Longmaxi Formation Shale Using Nanoindentation Tests. [PDF]

ACS Omega, 2021
Mechanical properties are some of the most important parameters for understanding well drilling and hydraulic fracturing designs in unconventional reservoir development. As an effective tool, nanoindentation has been used to determine the mechanical properties of rocks at the nanoscale. In this study, the Longmaxi Formation shale samples from the Yibin
Long Y, Zhang Y, Huang X, Wang Y, Zhao Y, Wang R, Song F.   +6 more
europepmc   +5 more sources

Molecular Structural Characteristics and 3D Model Reconstruction of Organic Matter in Longmaxi Formation Shale. [PDF]

ACS Omega
The establishment of molecular structure modeling is an important means to study the pore characteristics of shale organic matter and is significant for molecular-level simulations of gas storage and diffusion. Using 13C NMR, FTIR, and XPS combined with the split-peak fitting technique, the structural characteristics of the aromatic structure ...
Liu J, Shang F, Zhu Y, Li S, Feng G, Gao B.   +5 more
europepmc   +4 more sources

Depositional environment of shale in Wufeng and Longmaxi Formations, Sichuan Basin

Petroleum Research, 2017
Formation of organic-rich shale was controlled by depositional processes and environment condition. According to petrology, mineralogy, fossil composition and sedimentary structure, seven lithofacies of shale were identified in the Wufeng Formation to ...
Jianhua Zhao, Zhijun Jin, Zhenkui Jin, Xin Wen, Yikai Geng, Caina Yan, Haikuan Nie   +6 more
doaj   +2 more sources

Characteristics and controlling factors of shale reservoir in Wufeng Formation-Longmaxi Formation of the Zheng'an area

地质科技通报, 2021
The complex tectonic deformation zone in the east of the Sichuan Basin has a great potential of shale-gas resources, but has not been commercially exploited yet.This paper utilizes the mineralogical, organic chemical, and petrologic data of the Wufeng ...
Fu Zhang, Yi Huang, Baofeng Lan, Long Li, Ting Liu, Rui Liu, Dingchuan Jiang   +6 more
doaj   +2 more sources

Conditions for shale gas accumulation and the gas-bearing factors of the Wufeng-Longmaxi formation in the Laifeng–Xianfeng area [PDF]

Scientific Reports
In this work, taking wells LD1, LD2, and LY2 in the Laifeng–Xianfeng area as the research target, through core description, intensive core sampling, experimental analysis, imaging logging and other methods, the characteristics of graptolite zone ...
Shengling Jiang, Qinghua Zhou, Yanju Li, Rili Yang, Ruirui Zhao, Deqi Ma   +5 more
doaj   +2 more sources

Study on Fracture Morphological Characteristics of Refracturing for Longmaxi Shale Formation [PDF]

Geofluids, 2020
Refracturing technology has become an important means for the regeneration of old wells reconstruction. It is of great significance to understand the formation mechanism of hydraulic fracturing fracture for the design of hydraulic fracturing. In order to accurately evaluate and improve fracturing volume after refracturing, it is necessary to understand
Yintong Guo, Lei Wang, Xin Chang, Jun Zhou, Xiaoyu Zhang   +4 more
openaire   +2 more sources

Structural Analysis and Evolution Model of the Longmaxi Formation in the Yanjin–Junlian Area of the Southern Sichuan Basin, China

Frontiers in Earth Science, 2022
The Longmaxi Formation in the southern Sichuan Basin is an important target for shale gas exploration and development. The characteristics and stages of structural development significantly impact shale gas preservation and enrichment.
Huaimin Wang, Cunhui Fan, Yi Fang, Shengxian Zhao, Xiangchao Shi, Jianfeng Liu, Hongfeng Yang, Jun Hu, Chengbo Lian   +8 more
doaj   +1 more source

Characteristics and formation stages of natural fractures in Lower Silurian Longmaxi Formation in Tiangongtang area of Sichuan Basin

Shiyou shiyan dizhi
The Lower Silurian Longmaxi Formation on the southwestern margin of the Sichuan Basin holds significant shale gas reserves. The characteristics and formation stages of fractures play a crucial role in shale gas accumulation and productivity.
Linhao LI, Cunhui FAN, Shengxian ZHAO, Shaojun LIU, Fei XU, Shan NIE, Yawei YU   +6 more
doaj   +2 more sources

Influence of the Duration of Tectonic Evolution on Organic Matter Pore Structure and Gas Enrichment in Marine Shale: A Case Study of the Lower Silurian Longmaxi Shale in Southern China

Frontiers in Earth Science, 2022
The exploration and development of the shale in the Lower Silurian Longmaxi Formation in the Chongqing area has shown that gas production here is commercially viable.
Xin Li, Pengfei Wang, Pengfei Wang, Shuai Wang, Can Jin, Chen Zhang, Rui Zhao, Zhenxue Jiang   +7 more
doaj   +1 more source

Micro-pore structure and fractal characteristics of deep shale from Wufeng Formation to Longmaxi Formation in Jingmen exploration area, Hubei Province, China

Journal of Natural Gas Geoscience, 2022
To explore the pore structure and fractal characteristics of shale reservoirs in the Jingmen exploration area and quantitatively evaluate the heterogeneity and complexity of pores, taking Wufeng-Longmaxi formations of Well YT3 as the research object, the
Xiaoming Li, Yarong Wang, Wen Lin, Lihong Ma, Dexun Liu, Jirong Liu, Yu Zhang   +6 more
doaj   +1 more source